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Date: Sat, 28 Jan 2023 14:32:23 +0800
From: kernel test robot <lkp@...el.com>
To: Arnd Bergmann <arnd@...db.de>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-kernel@...r.kernel.org
Subject: drivers/net/wireless/intel/iwlwifi/fw/error-dump.h:297:2: warning:
field within 'struct iwl_fw_ini_error_dump_range' is less aligned than
'union iwl_fw_ini_error_dump_range::(anonymous at
drivers/net/wireless/intel/iwlwifi/fw/error-dump.h:297:2)' and is ...
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 5af6ce7049365952f7f023155234fe091693ead1
commit: 250c1a694ff304e5d69e74ab32755eddcc2b8f65 ARM: pxa: convert to multiplatform
date: 9 months ago
config: arm-randconfig-r026-20230128 (https://download.01.org/0day-ci/archive/20230128/202301281407.duiIr0zu-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 4196ca3278f78c6e19246e54ab0ecb364e37d66a)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=250c1a694ff304e5d69e74ab32755eddcc2b8f65
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 250c1a694ff304e5d69e74ab32755eddcc2b8f65
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/net/wireless/intel/iwlwifi/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
In file included from drivers/net/wireless/intel/iwlwifi/fw/dbg.c:9:
In file included from drivers/net/wireless/intel/iwlwifi/fw/runtime.h:10:
In file included from drivers/net/wireless/intel/iwlwifi/iwl-trans.h:17:
In file included from drivers/net/wireless/intel/iwlwifi/fw/img.h:14:
>> drivers/net/wireless/intel/iwlwifi/fw/error-dump.h:297:2: warning: field within 'struct iwl_fw_ini_error_dump_range' is less aligned than 'union iwl_fw_ini_error_dump_range::(anonymous at drivers/net/wireless/intel/iwlwifi/fw/error-dump.h:297:2)' and is usually due to 'struct iwl_fw_ini_error_dump_range' being packed, which can lead to unaligned accesses [-Wunaligned-access]
union {
^
1 warning generated.
--
In file included from drivers/net/wireless/intel/iwlwifi/fw/init.c:13:
>> drivers/net/wireless/intel/iwlwifi/fw/api/rx.h:427:2: warning: field within 'struct iwl_rx_mpdu_desc_v1' is less aligned than 'union iwl_rx_mpdu_desc_v1::(anonymous at drivers/net/wireless/intel/iwlwifi/fw/api/rx.h:427:2)' and is usually due to 'struct iwl_rx_mpdu_desc_v1' being packed, which can lead to unaligned accesses [-Wunaligned-access]
union {
^
1 warning generated.
--
In file included from drivers/net/wireless/intel/iwlwifi/mvm/fw.c:19:
In file included from drivers/net/wireless/intel/iwlwifi/mvm/mvm.h:27:
In file included from drivers/net/wireless/intel/iwlwifi/mvm/sta.h:15:
In file included from drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h:32:
>> drivers/net/wireless/intel/iwlwifi/mvm/../fw/api/rx.h:427:2: warning: field within 'struct iwl_rx_mpdu_desc_v1' is less aligned than 'union iwl_rx_mpdu_desc_v1::(anonymous at drivers/net/wireless/intel/iwlwifi/mvm/../fw/api/rx.h:427:2)' and is usually due to 'struct iwl_rx_mpdu_desc_v1' being packed, which can lead to unaligned accesses [-Wunaligned-access]
union {
^
1 warning generated.
--
In file included from drivers/net/wireless/intel/iwlwifi/mvm/ops.c:19:
In file included from drivers/net/wireless/intel/iwlwifi/mvm/mvm.h:27:
In file included from drivers/net/wireless/intel/iwlwifi/mvm/sta.h:15:
In file included from drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h:32:
>> drivers/net/wireless/intel/iwlwifi/mvm/../fw/api/rx.h:427:2: warning: field within 'struct iwl_rx_mpdu_desc_v1' is less aligned than 'union iwl_rx_mpdu_desc_v1::(anonymous at drivers/net/wireless/intel/iwlwifi/mvm/../fw/api/rx.h:427:2)' and is usually due to 'struct iwl_rx_mpdu_desc_v1' being packed, which can lead to unaligned accesses [-Wunaligned-access]
union {
^
>> drivers/net/wireless/intel/iwlwifi/mvm/../fw/api/rx.h:522:2: warning: field within 'struct iwl_rx_mpdu_desc_v3' is less aligned than 'union iwl_rx_mpdu_desc_v3::(anonymous at drivers/net/wireless/intel/iwlwifi/mvm/../fw/api/rx.h:522:2)' and is usually due to 'struct iwl_rx_mpdu_desc_v3' being packed, which can lead to unaligned accesses [-Wunaligned-access]
union {
^
2 warnings generated.
--
In file included from drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c:9:
In file included from drivers/net/wireless/intel/iwlwifi/mvm/mvm.h:27:
In file included from drivers/net/wireless/intel/iwlwifi/mvm/sta.h:15:
In file included from drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h:32:
>> drivers/net/wireless/intel/iwlwifi/mvm/../fw/api/rx.h:427:2: warning: field within 'struct iwl_rx_mpdu_desc_v1' is less aligned than 'union iwl_rx_mpdu_desc_v1::(anonymous at drivers/net/wireless/intel/iwlwifi/mvm/../fw/api/rx.h:427:2)' and is usually due to 'struct iwl_rx_mpdu_desc_v1' being packed, which can lead to unaligned accesses [-Wunaligned-access]
union {
^
drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c:1108:47: warning: format specifies type 'unsigned char' but the argument has type 's16' (aka 'short') [-Wformat]
IWL_DEBUG_INFO(mvm, "\tburst index: %hhu\n", res->ftm.burst_index);
~~~~ ^~~~~~~~~~~~~~~~~~~~
%hd
drivers/net/wireless/intel/iwlwifi/mvm/../iwl-debug.h:175:68: note: expanded from macro 'IWL_DEBUG_INFO'
#define IWL_DEBUG_INFO(p, f, a...) IWL_DEBUG(p, IWL_DL_INFO, f, ## a)
~ ^
drivers/net/wireless/intel/iwlwifi/mvm/../iwl-debug.h:94:49: note: expanded from macro 'IWL_DEBUG'
__IWL_DEBUG_DEV((m)->dev, level, false, fmt, ##args)
~~~ ^~~~
drivers/net/wireless/intel/iwlwifi/mvm/../iwl-debug.h:91:49: note: expanded from macro '__IWL_DEBUG_DEV'
__iwl_dbg(dev, level, limit, __func__, fmt, ##args); \
~~~ ^~~~
2 warnings generated.
--
In file included from drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c:7:
In file included from drivers/net/wireless/intel/iwlwifi/mvm/mvm.h:27:
In file included from drivers/net/wireless/intel/iwlwifi/mvm/sta.h:15:
In file included from drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h:32:
>> drivers/net/wireless/intel/iwlwifi/mvm/../fw/api/rx.h:427:2: warning: field within 'struct iwl_rx_mpdu_desc_v1' is less aligned than 'union iwl_rx_mpdu_desc_v1::(anonymous at drivers/net/wireless/intel/iwlwifi/mvm/../fw/api/rx.h:427:2)' and is usually due to 'struct iwl_rx_mpdu_desc_v1' being packed, which can lead to unaligned accesses [-Wunaligned-access]
union {
^
drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c:441:21: warning: unused function 'iwl_dbgfs_is_match' [-Wunused-function]
static inline char *iwl_dbgfs_is_match(char *name, char *buf)
^
2 warnings generated.
vim +297 drivers/net/wireless/intel/iwlwifi/fw/error-dump.h
990ffe3e81962f Shahar S Matityahu 2019-02-17 284
8d534e96b5000a Shahar S Matityahu 2018-12-03 285 /**
8d534e96b5000a Shahar S Matityahu 2018-12-03 286 * struct iwl_fw_ini_error_dump_range - range of memory
8d534e96b5000a Shahar S Matityahu 2018-12-03 287 * @range_data_size: the size of this range, in bytes
4828f462b5eb32 Shahar S Matityahu 2019-07-10 288 * @internal_base_addr: base address of internal memory range
4828f462b5eb32 Shahar S Matityahu 2019-07-10 289 * @dram_base_addr: base address of dram monitor range
4828f462b5eb32 Shahar S Matityahu 2019-07-10 290 * @page_num: page number of memory range
4828f462b5eb32 Shahar S Matityahu 2019-07-10 291 * @fifo_hdr: fifo header of memory range
3ed34fbf9d3bfc Shahar S Matityahu 2019-07-23 292 * @fw_pkt: FW packet header of memory range
8d534e96b5000a Shahar S Matityahu 2018-12-03 293 * @data: the actual memory
8d534e96b5000a Shahar S Matityahu 2018-12-03 294 */
8d534e96b5000a Shahar S Matityahu 2018-12-03 295 struct iwl_fw_ini_error_dump_range {
8d534e96b5000a Shahar S Matityahu 2018-12-03 296 __le32 range_data_size;
973193554cae6b Shahar S Matityahu 2019-04-08 @297 union {
973193554cae6b Shahar S Matityahu 2019-04-08 298 __le32 internal_base_addr;
973193554cae6b Shahar S Matityahu 2019-04-08 299 __le64 dram_base_addr;
973193554cae6b Shahar S Matityahu 2019-04-08 300 __le32 page_num;
973193554cae6b Shahar S Matityahu 2019-04-08 301 struct iwl_fw_ini_fifo_hdr fifo_hdr;
3ed34fbf9d3bfc Shahar S Matityahu 2019-07-23 302 struct iwl_cmd_header fw_pkt_hdr;
973193554cae6b Shahar S Matityahu 2019-04-08 303 };
8d534e96b5000a Shahar S Matityahu 2018-12-03 304 __le32 data[];
8d534e96b5000a Shahar S Matityahu 2018-12-03 305 } __packed;
8d534e96b5000a Shahar S Matityahu 2018-12-03 306
:::::: The code at line 297 was first introduced by commit
:::::: 973193554cae6b055474964f995e36c42d195137 iwlwifi: dbg_ini: dump headers cleanup
:::::: TO: Shahar S Matityahu <shahar.s.matityahu@...el.com>
:::::: CC: Luca Coelho <luciano.coelho@...el.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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